watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [kworker/1:3:3918] Modules linked in: irq event stamp: 105642 hardirqs last enabled at (105641): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:631 hardirqs last disabled at (105642): [] sysvec_apic_timer_interrupt+0xc/0xf0 arch/x86/kernel/apic/apic.c:1091 softirqs last enabled at (104158): [] __do_softirq+0x3c0/0x52f kernel/softirq.c:325 softirqs last disabled at (104149): [] asm_call_irq_on_stack+0xf/0x20 CPU: 1 PID: 3918 Comm: kworker/1:3 Not tainted 5.10.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events bpf_prog_free_deferred RIP: 0010:csd_lock_wait kernel/smp.c:227 [inline] RIP: 0010:smp_call_function_single+0xca/0x1b0 kernel/smp.c:512 Code: 00 85 db 0f 84 99 00 00 00 48 89 e6 44 89 e7 4c 89 74 24 10 4c 89 6c 24 18 e8 52 fe ff ff 89 c3 8b 44 24 08 a8 01 74 0b f3 90 <8b> 54 24 08 83 e2 01 75 f5 bf 01 00 00 00 e8 33 99 f7 ff 65 8b 15 RSP: 0018:ffffc90000dd7cc0 EFLAGS: 00000202 RAX: 0000000000000011 RBX: 0000000000000000 RCX: ffff88813bd2eb40 RDX: 0000000000000001 RSI: ffffc90000dd7cc0 RDI: ffffc90000dd7cc0 RBP: ffffc90000dd7d28 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: ffff888000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffffffff810f74c0 R15: ffff88813bd2a198 FS: 0000000000000000(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055bdb8fd0800 CR3: 0000000100ee2000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: smp_call_function_many kernel/smp.c:711 [inline] smp_call_function+0x34/0x60 kernel/smp.c:733 on_each_cpu+0x23/0xa0 kernel/smp.c:832 __purge_vmap_area_lazy+0x79/0x690 mm/vmalloc.c:1350 _vm_unmap_aliases+0x1b3/0x1e0 mm/vmalloc.c:1768 vm_remove_mappings mm/vmalloc.c:2234 [inline] __vunmap+0x185/0x290 mm/vmalloc.c:2261 bpf_jit_binary_free+0x8/0x20 kernel/bpf/core.c:900 bpf_jit_free+0x23/0x60 process_one_work+0x273/0x600 kernel/workqueue.c:2272 worker_thread+0x38/0x380 kernel/workqueue.c:2418 kthread+0x145/0x170 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 8240 Comm: syz-executor.4 Not tainted 5.10.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:check_wait_context kernel/locking/lockdep.c:4542 [inline] RIP: 0010:__lock_acquire+0x31d/0x1770 kernel/locking/lockdep.c:4780 Code: 1f 0f b7 c0 49 0f a3 04 24 72 b7 8b 05 54 dd c7 04 85 c0 0f 84 20 04 00 00 31 c0 eb b3 48 8b 6c 24 18 44 89 f1 4c 8b 64 24 20 <66> 41 39 c9 7e 17 e8 c8 96 e8 01 85 c0 74 0e 8b 05 06 5b 51 03 85 RSP: 0018:ffffc90000003db0 EFLAGS: 00000002 RAX: 0000000000000001 RBX: ffff88811c8d6280 RCX: 0000000000000002 RDX: ffff88811c8d6b90 RSI: 0000000000000002 RDI: 0000000000000047 RBP: ffff88811c8d6be0 R08: 0000000000000050 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000012000 R12: 000000000000002b R13: 0000000000000001 R14: ffffffff843d8940 R15: 0000000000000000 FS: 00007f4e1705b700(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004f3870 CR3: 000000011d3a8000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0xf9/0x420 kernel/locking/lockdep.c:5435 rcu_lock_acquire include/linux/rcupdate.h:248 [inline] rcu_read_lock include/linux/rcupdate.h:641 [inline] advance_sched+0x14d/0x320 net/sched/sch_taprio.c:752 __run_hrtimer kernel/time/hrtimer.c:1519 [inline] __hrtimer_run_queues+0xba/0x4f0 kernel/time/hrtimer.c:1583 hrtimer_interrupt+0xf9/0x210 kernel/time/hrtimer.c:1645 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1080 [inline] __sysvec_apic_timer_interrupt+0x8e/0x290 arch/x86/kernel/apic/apic.c:1097 asm_call_irq_on_stack+0xf/0x20 __run_sysvec_on_irqstack arch/x86/include/asm/irq_stack.h:37 [inline] run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:89 [inline] sysvec_apic_timer_interrupt+0xcc/0xf0 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:631 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:653 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x32/0x70 kernel/locking/spinlock.c:191 Code: 53 48 89 f3 48 8b 74 24 10 e8 fa 7a 16 fe 48 89 ef e8 d2 bf 16 fe f6 c7 02 75 2c 48 83 3d ad f2 1f 01 00 74 31 48 89 df 57 9d <0f> 1f 44 00 00 bf 01 00 00 00 e8 ef 1b 13 fe 65 8b 05 c8 ad f4 7c RSP: 0018:ffffc90002d7f8b0 EFLAGS: 00000282 RAX: 00000000000000fc RBX: 0000000000000282 RCX: 0000000000000002 RDX: 0000000000000000 RSI: ffffffff83f2b663 RDI: 0000000000000282 RBP: ffff88811d3fcee8 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88811d3fcee8 R13: ffff88811d3e4880 R14: 0000000000000282 R15: 16489ce41402250c spin_unlock_irqrestore include/linux/spinlock.h:409 [inline] taprio_change+0xaf1/0xe40 net/sched/sch_taprio.c:1580 qdisc_create+0x1a0/0x580 net/sched/sch_api.c:1246 tc_modify_qdisc+0x126/0x810 net/sched/sch_api.c:1662 rtnetlink_rcv_msg+0x173/0x480 net/core/rtnetlink.c:5562 netlink_rcv_skb+0x49/0xf0 net/netlink/af_netlink.c:2494 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x19a/0x270 net/netlink/af_netlink.c:1330 netlink_sendmsg+0x248/0x480 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0x2b/0x40 net/socket.c:671 ____sys_sendmsg+0x1ed/0x230 net/socket.c:2353 ___sys_sendmsg+0x77/0xb0 net/socket.c:2407 __sys_sendmsg+0x52/0xa0 net/socket.c:2440 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45cba9 Code: 8d b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f4e1705ac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000502820 RCX: 000000000045cba9 RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000a44 R14: 00000000004cd332 R15: 00007f4e1705b6d4